[r1]: trunk / Plugin / post_rblur.c Maximize Restore History

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post_rblur.c    52 lines (42 with data), 1.6 kB

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/*
Apophysis Plugin
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
typedef struct {
double post_rblur_strength;
double post_rblur_offset;
double post_rblur_center_x;
double post_rblur_center_y;
double s2;
} Variables;
#include "apoplugin.h"
APO_PLUGIN("post_rblur");
APO_VARIABLES(
VAR_REAL(post_rblur_strength, 1.0),
VAR_REAL(post_rblur_offset, 1.0),
VAR_REAL(post_rblur_center_x, 0.0),
VAR_REAL(post_rblur_center_y, 0.0)
);
int PluginVarPrepare(Variation* vp)
{
VAR(s2) = 2.0 * VAR(post_rblur_strength);
return TRUE;
}
int PluginVarCalc(Variation* vp)
{
double r = sqrt(sqr(FPx - VAR(post_rblur_center_x)) + sqr(FPy - VAR(post_rblur_center_y))) - VAR(post_rblur_offset);
r = r<0?0:r; r *= VAR(s2);
FPx = VVAR * (FPx + (random01() - 0.5) * r);
FPy = VVAR * (FPy + (random01() - 0.5) * r);
return TRUE;
}